Version 4.4

• Add descriptions for config.yml and default.yml
• Rename line to lines in board settings
  • line can still be used
• Add length-limit setting for lines
• Add example boards to example directory
• Add new placeholders: %server_ram_used%, %server_ram_free% %server_ram_total% %server_ram_max%
• Add permission checking to show custom boards (default board does not have the permission to show)